<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>二维数组</title>
	</head>
	<body>
		<script type="text/javascript">
			var arr=[[1,2,3,4,5,6,7],["a","b","c","e"],["!","@","#"]]
		// console.log(arr[2][2]);
		for (var i=0;i<arr.length;i++) {
			for (var j=0;j<arr[i].length;j++) {
				console.log(arr[i][j]);
			}
		}
		console.log(arr[i][j]);
			
		</script>
	</body>
</html>
